QUESTIONS ABOUT MODERN CONTROL SYSTEM - ELECTRICAL AND ELECTRONICS

1. State the Lyapunov stability theorem.

1. State the Lyapunov asymptotically stability theorem.

1. State the Lyapunov globally asymptotically stability theorem.

1. What is Lyapunov instability theorem?
   
2. Explain the Popov’s criterion to find the stability of a nonlinear system.